KCSE MATHEMATICS QUESTIONS AND ANSWERS ON VECTORS II FORM 3 LEVEL

KCSE MATHEMATICS QUESTIONS AND ANSWERS ON VECTORS II FORM 3 LEVEL: The figure below shows a triangle OAC in which B is the mid-point of OC and D is the mid-point of AC. Given that OA = 2i + 5j and OB = 4i + j, (a) determine in terms of i and j: (i) AB; (2 marks) (ii) AC. (3 marks)